Famous Twins

Abigail Van Buren (L) and Ann Landers - advice columnists  (Photo by Hulton Archive/Getty Images)

Ronde (L) and Tiki Barber - NFL players  (Photo by Travis Lindquist/Getty Images)

Kristina (L) and Karissa Shannon - playmates  (Photo by Tom Briglia /Getty Images)

Kristina (L) and Karissa Shannon (with Hugh Hefner) - playmates  (Photo by Denise Truscello/WireImage)

Randy (L) and Jason Sklar - comedians  (Photo by Noel Vasquez/Getty Images)

Daniel (L) and Henrik Sedin - NHL players  (Photo by Jeff Vinnick/NHLI via Getty Images)

Paul (L) and Morgan Hamm - Olympic gymnasts  (Photo by Jed Jacobsohn/Getty Images)

Ozzie ( L) and Jose Canseco - MLB players  (Otto Greule /Allsport)

Nelson (L) and Eddy Angelil with mom Celine Dion  (Photo by Ethan Miller/Getty Images)

Mary-Kate (L) and Ashley Olson - actresses  (Photo by Kevin Mazur/Getty)

Tamera (L) and Tia Mowry - actresses  (Photo by Arnold Turner/WireImage)

Barbara (L) and Jenna Bush - daughters of former President George W. Bush  (Photo by Mario Tama/Getty Images)

Maurice and Robin Gibb - musicians, The Bee Gees  (Michael Putland/Getty Images)

Marie Hendrix (L) and Gabrielle Vaudremer - oldest living twins at 101  (Photo by NICOLAS LAMBERT/AFP/Getty Images)

Jason (L) and Jeremy London - actors  (Photo by Michael Bezjian/WireImage)

Mito (L) and Tracker - born using an IVF technique preventing genetic diseases  (Photo by William F. Sutton/AFP/Getty Images)

Niza (L) and Nero - white lion babies  (Photo by JOCHEN LUEBKE/AFP/Getty Images)

Aleut (L) and Gregor - at Nuremberg Zoo in Germany  (Photo by Hans-Martin Issler/Getty Images)

Doug (L) and Derek Perry - DJ’s  (Photo by Chelsea Lauren/WireImage)

Markieff (L) Marcus Morris - college basketball players  (Photo by Ethan Miller/Getty Images)

Bob (L) and Mike Bryan - double’s tennis partners  (Photo by GREG WOOD/AFP/Getty Images)

Po (L) and De De at Madrid’s Zoo  (Photo by JAVIER SORIANO/AFP/Getty Images)

Twin baby orangutans - born at an enclosure at the Foundation for Sustainable Ecosystem in Medan, North Sumatra province  (Photo by AFP/AFP/Getty Images)

Two rare Peninsular pronghorns twins born at the Los Angeles Zoo  (Photo by David McNew/Getty Images)

Robin (L) and Brook Lopez - NBA players  (Photo by Barry Gossage/NBAE via Getty Images)

Jason (L) and Jarron Collins - NBA players  (Photo by Joe Murphy/NBAE via Getty Images)

Horace (L) and Harvey Grant - NBA players  (Photo by TED MATHIAS/AFP/Getty Images)

Nikki Bella (L) and Brie Bella - WWE wrestlers  (Photo by Frazer Harrison/Getty Images)